In the Götterdämmerung a sense of almost intolerable strain, of a great tragedy sweeping to its inevitable end, is conveyed by various subtilisations of the harmony, of which the following may stand as a type—

No. 32.

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When Siegfried appears on Brynhilde's rock, disguised as Gunther, the theme of the latter is metamorphosed from—

No. 33.

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into—